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Details

Cardiac Cycle just the process
atrial systole events etc.
7
Anatomy
Undergraduate 1
10/07/2012

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Cards

Term
atria eject blood into ventricles (EDV)

what happens after this step?
Definition
AV valves close (s1)
Term
first step
Definition
Atrial systole:
atrial contraction begins
Term
AV valves close

what happens after this step?
Definition
Ventricular systole:
isovolumetric ventricular contraction
Term
atrial contraction begins

what happens after this step?
Definition
atria eject blood into ventricles (EDV)
Term
Ventricular systole:
isovolumetric ventricular contraction

what happens after this?
Definition
ventricles eject blood through semilunar valves
Term
ventricles eject blood through semilunar valves

what happens after this step?
Definition
semilunar valves close (S2)
Term
semilunar valves close (S2)

What happens after this step?
Definition
ventricular diastole

high ventricular pressure
low atrial pressure
isovoulmetric relaxation
All valves CLOSED

high atrial pressure
passive atrial and ventricular filling
AV valve OPEN
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